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Oracle 1Z0-083 Exam Overview:

Certification Vendor:	Oracle
Exam Name:	Oracle Database Administration II
Exam Number:	1Z0-083
Exam Price:	$245 USD (may vary by region)
Passing Score:	Approximately 60-65%
Real Exam Qty:	Around 78
Exam Format:	Multiple Response, Multiple Choice
Certificate Validity Period:	Does not expire (Oracle certification policy for modern credentials)
Exam Duration:	150 minutes
Available Languages:	English, Japanese, Simplified Chinese
Related Certifications:	Oracle Database Administrator Certified Professional (OCP)
Recommended Training:	Oracle Database 19c Administration Training Oracle University Learning Paths
Exam Registration:	Pearson VUE Oracle Exams Oracle Certification Registration
Sample Questions:	Oracle 1Z0-083 Sample Questions
Exam Way:	Proctored exam via Pearson VUE (online or test center)
Pre Condition:	Oracle recommends passing 1Z0-082 (Oracle Database Administration I) before attempting 1Z0-083 for OCP certification.
Official Syllabus URL:	https://education.oracle.com/

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The Oracle 1Z0-083 Exam covers a wide range of topics, including database backup and recovery, database performance tuning, security management, and database architecture. Candidates are also tested on their ability to use a variety of tools and technologies, such as Oracle Enterprise Manager, SQL*Plus, and Data Pump. Passing the Oracle 1Z1-083 exam demonstrates that a candidate has the skills and experience needed to effectively manage and maintain Oracle databases, making them a valuable asset to any organization.

Oracle Database Administration II Sample Questions (Q23-Q28):

NEW QUESTION # 23
You execute the following piece of code with appropriate privileges:
User SCOTT has been granted the CREATE SESSION privilege and the MGR role.
Which two statements are true when a session logged in as SCOTT queries the SAL column in the view and the table?

A. Data is redacted for the EMP_V.SAL column only if the SCOTT session does not have the MGR role set.
B. Data is redacted for the EMP.SAL column only if the SCOTT session does not have the MGR role set.
C. Data is redacted for EMP.SAL column only if the SCOTT session has the MGR role set.
D. Data is redacted for the EMP_V.SAL column only if the SCOTT session has the MGR role set.
E. Data is never redacted for the EMP_V.SAL column.

Answer: B,E

Explanation:
Note:
* DBMS_REDACT.FULL completely redacts the column data.
* DBMS_REDACT.NONE applies no redaction on the column data. Use this function for development testing purposes. LOB columns are not supported.
* The DBMS_REDACT package provides an interface to Oracle Data Redaction, which enables you to mask (redact) data that is returned from queries issued by low-privileged users or an application.
* If you create a view chain (that is, a view based on another view), then the Data Redaction policy also applies throughout this view chain. The policies remain in effect all of the way up through this view chain, but if another policy is created for one of these views, then for the columns affected in the subsequent views, this new policy takes precedence.

NEW QUESTION # 24
Choose the best answer. How do you configure a CDB for local undo mode?

A. Open the CDB instance in upgrade mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON, and then restart the CDB instance.
B. Open the CDB in read-only mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON, and then change the CDB to read/write mode.
C. Open the CDB instance in restricted mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON. create an UNDO tablespace in each PDB, and then restart the CDB instance.
D. Open the CDB instance in restricted mode. In CDB$ROOT, drop the UNDO tablespace. Execute ALTER DATABASE LOCAL UNDO ON in each PDB, and then restart the CDB instance.
E. Open the CDB instance in upgrade mode. In each PDB, execute ALTER DATABASE LOCAL UNDO ON, create an UNDO tablespace, and then restart the CDB instance.

Answer: A

NEW QUESTION # 25
A container database (CDB) contains two pluggable databases PDB1 and PDB2.
The LOCAL_UNDO_ENABLED database property is set to FALSE in the CDB. Data file 24 of PDB2 was deleted and you need to restore and recover it.
The only RMAN backup that exists was created with the BACKUP DATABASE command while connected to CDB$ROOT.
Which three are true? (Choose three.)

A. Data file 24 can be recovered while connected to PDB2.
B. Data file 24 can be restored only while connected to PDB2.
C. Data file 24 can be recovered only while connected to PDB2.
D. Data file 24 can be restored and recovered while connected to CDB$ROOT.
E. Data file 24 can be restored only while connected toCDB$ROOT.
F. Data file 24 can be recovered while connected to CDB$ROOT.

Answer: B,D,F

NEW QUESTION # 26
Which four are true about RMAN backup sets?

A. A data file can be split into multiple sections stored in different backup pieces in the same backup set.
B. A data file can be split into multiple sections stored in different backup sets.
C. A backup set must be written to disk.
D. A backup set must be written to media.
E. Blocks from multiple data files can be contained in one backup set.
F. Blocks from multiple data files can be contained in one backup piece.
G. A backup set can contain only one backup piece.
H. A backup piece can belong to only one backup set.

Answer: A,B,C,F

NEW QUESTION # 27
Which two are true about SQL Performance Analyzer (SPA)? (Choose two.)

A. It offers fine-grained analysis of all the SQL statements in the analysis task as a group.
B. It predicts the impact of system changes on SQL workload response time.
C. It is integrated with the SQL Access Advisor.
D. It provides before and after execution statistics for each SQL statement in the analysis task
E. SQL statements that were originally run concurrently are run concurrently by SPA.

Answer: B,D

NEW QUESTION # 28
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